The temperature on March 17, 1905 was between 4.5 °C and 11.4 °C and averaged 7.6 °C. There was 6.8 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 5 » In Mexico, the General Hospital of Mexico is inaugurated, started with four basic specialties.
April 17 » The Supreme Court of the United States decides Lochner v. New York, which holds that the "right to free contract" is implicit in the due process clause of the Fourteenth Amendment to the United States Constitution.
September 26 » Albert Einstein publishes the third of his Annus Mirabilis papers, introducing the special theory of relativity.
November 12 » Norway holds a referendum resulting in popular approval of the Storting's decision to authorise the government to make the offer of the throne of the newly independent country.
November 18 » Prince Carl of Denmark becomes King Haakon VII of Norway.
November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
Day of marriage May 21, 1931
The temperature on May 21, 1931 was between 7.4 °C and 18.3 °C and averaged 12.8 °C. There was 1.0 mm of rain during 0.6 hours. There was 8.7 hours of sunshine (55%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 21 » Sir Isaac Isaacs is sworn in as the first Australian-born Governor-General of Australia.
March 31 » An earthquake in Nicaragua destroys Managua; killing 2,000.
August 24 » France and the Soviet Union sign a neutrality pact.
September 18 » The Mukden Incident gives Japan a pretext to invade and occupy Manchuria.
November 7 » The Chinese Soviet Republic is proclaimed on the anniversary of the October Revolution.
November 22 » Al-Mina'a SC is founded in Iraq.
Day of death January 21, 1983
The temperature on January 21, 1983 was between 5.1 °C and 7.3 °C and averaged 6.5 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 18 » The International Olympic Committee restores Jim Thorpe's Olympic medals to his family.
June 4 » Gordon Kahl, who killed two US Marshals in Medina, North Dakota on February 13, is killed in a shootout in Smithville, Arkansas, along with a local sheriff, after a four-month manhunt.
July 11 » A TAME airline Boeing 737-200 crashes near Cuenca, Ecuador, killing all 119 passengers and crew on board.
August 21 » Philippine opposition leader Benigno Aquino, Jr. is assassinated at the Manila International Airport (now renamed Ninoy Aquino International Airport in his honor).
October 12 » Japan's former Prime Minister Tanaka Kakuei is found guilty of taking a $2 million bribe from the Lockheed Corporation, and is sentenced to four years in jail.
November 15 » Turkish Republic of Northern Cyprus declares independence. Recognized only by Turkey.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I4014.php : accessed January 8, 2026), "Johanna Petronella Keetels (1905-1983)".
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